{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "biomedical", "concept or principle", "machanical property", "manufacturing process", "process characterization"], "input": "The present study investigates the use of powder laser metal deposition ( p-LMD ) and wire-arc additive manufacturing ( WAAM ) for hybrid manufacturing of Ti-6Al-4V aerospace forgings ."}
{"machine or equipment": [], "biomedical": [], "concept or principle": ["investigates", "hybrid manufacturing"], "machanical property": [], "manufacturing process": ["laser metal deposition", "wire-arc additive manufacturing", "WAAM"], "process characterization": []}